Seine reopens for swimming after a century The River Seine in Paris has reopened to public swimming for the first time since 1923, thanks to a major clean-up campaign prompted by its use in the 2024 Paris Olympics Louvre Museum Eiffel Tower Notre-Dame PARIS PARIS Seine Seine Swimming sites Bercy Bras Marie Bras de Grenelle Underground run-off reservoir 1km 0.6 miles Admission: Open for free at scheduled times to anyone with minimum age of 10 or 14 years, depending on location, between Jul 5 and Aug 31 Water quality: $1.65 billion invested to connect thousands of homes to sewers, upgrade treatment plants, and build rainwater reservoirs to prevent storm overflows Sources: Reuters, BBC, Paris.fr Picture: Getty Images © GRAPHIC NEWS